26213655440242 has 16 divisors (see below), whose sum is σ = 40345877763072. Its totient is φ = 12766082827680.

The previous prime is 26213655440233. The next prime is 26213655440249. The reversal of 26213655440242 is 24204455631262.

It is a junction number, because it is equal to n+sod(n) for n = 26213655440192 and 26213655440201.

It is not an unprimeable number, because it can be changed into a prime (26213655440249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263277018 + ... + 263376565.

It is an arithmetic number, because the mean of its divisors is an integer number (2521617360192).

Almost surely, 2^{26213655440242} is an apocalyptic number.

26213655440242 is a deficient number, since it is larger than the sum of its proper divisors (14132222322830).

26213655440242 is a wasteful number, since it uses less digits than its factorization.

26213655440242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526654233.

The product of its (nonzero) digits is 2764800, while the sum is 46.

The spelling of 26213655440242 in words is "twenty-six trillion, two hundred thirteen billion, six hundred fifty-five million, four hundred forty thousand, two hundred forty-two".